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Atomic Models and Theories Extra

Authored by Sr Dominica

Science

9th Grade

NGSS covered

Used 29+ times

Atomic Models and Theories Extra
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45 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Arranged the elements on the periodic table based on atomic mass

Democritus

Dmitri Mendeleev

Dalton

JJ Thomson

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solid Sphere Model; elements are atoms with different masses

Democritus

Dmitri Mendeleev

Dalton

JJ Thomson

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Plum Pudding Model: atom is positive sphere with negatively charged particles evenly embedded throughout

Democritus

Dmitri Mendeleev

Dalton

JJ Thomson

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Named the atom based on the Greek word “atomos” meaning indivisible

Democritus

Dmitri Mendeleev

Dalton

JJ Thomson

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electron Cloud Model: surrounding the nucleus is an electron cloud made of shells, but electrons do not travel in a fixed orbit

Ernest Rutherford

Niels Bohr

Henry Moseley

Schrodinger and Heisenberg

James Chadwick

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nuclear Model: Gold Foil experiment allowed him to discover that the nucleus was the positively charged center of the atom surrounded by negatively charged electrons

Ernest Rutherford

Niels Bohr

Henry Moseley

Schrodinger and Heisenberg

James Chadwick

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Discovered neutrons

Ernest Rutherford

Niels Bohr

James Chadwick

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